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annotate gcc/config/csky/csky_pipeline_ck803.md @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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children 1830386684a0
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1 ;; Scheduler information for C-SKY CK803 processors.
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2 ;; Copyright (C) 2018 Free Software Foundation, Inc.
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3 ;; Contributed by C-SKY Microsystems and Mentor Graphics.
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4 ;;
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5 ;; This file is part of GCC.
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6 ;;
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7 ;; GCC is free software; you can redistribute it and/or modify it
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8 ;; under the terms of the GNU General Public License as published by
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9 ;; the Free Software Foundation; either version 3, or (at your option)
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10 ;; any later version.
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11 ;;
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12 ;; GCC is distributed in the hope that it will be useful, but
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13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 ;; General Public License for more details.
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16 ;;
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17 ;; You should have received a copy of the GNU General Public License
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18 ;; along with GCC; see the file COPYING3. If not see
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19 ;; <http://www.gnu.org/licenses/>. */
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20
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21 (define_automaton "ck803")
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22
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23 (define_cpu_unit "ck803_ex1" "ck803")
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24 (define_cpu_unit "ck803_exit" "ck803")
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25
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26 (define_insn_reservation "ck803_3cycle" 1
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27 (and (match_test "CSKY_TARGET_ARCH (CK803)")
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28 (eq_attr "type" "alu,cmp,branch,branch_jmp,call_jsr,call"))
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29 "ck803_ex1+ck803_exit")
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30
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31 (define_insn_reservation "ck803_alu1" 1
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32 (and (match_test "CSKY_TARGET_ARCH (CK803)")
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33 (eq_attr "type" "addsub,alu_ix"))
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34 "ck803_ex1+ck803_exit")
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35
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36 (define_insn_reservation "ck803_cbranch" 1
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37 (and (match_test "CSKY_TARGET_ARCH (CK803)")
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38 (eq_attr "type" "cbranch"))
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39 "ck803_ex1+ck803_exit")
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40
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41 (define_insn_reservation "ck803_load" 1
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42 (and (match_test "CSKY_TARGET_ARCH (CK803)")
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43 (and (eq_attr "type" "load")
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44 (match_test "!csky_minipool_load_p (insn)")))
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45 "ck803_ex1+ck803_exit")
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46
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47 (define_insn_reservation "ck803_pool" 1
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48 (and (match_test "CSKY_TARGET_ARCH (CK803)")
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49 (and (eq_attr "type" "load")
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50 (match_test "csky_minipool_load_p (insn)")))
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51 "ck803_ex1+ck803_exit")
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52
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53 (define_insn_reservation "ck803_store" 1
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54 (and (match_test "CSKY_TARGET_ARCH (CK803)")
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55 (eq_attr "type" "store"))
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56 "ck803_ex1+ck803_exit")
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57
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58 ;; Switching between constant pool loads and loads/stores in the data section
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59 ;; carries an extra penalty.
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60 (define_bypass 2 "ck803_load,ck803_store" "ck803_pool")
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61 (define_bypass 2 "ck803_pool" "ck803_load,ck803_store")
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62
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63 (define_bypass 2 "ck803_3cycle,ck803_cbranch,ck803_load,ck803_store,ck803_pool"
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64 "ck803_cbranch")